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Mackenzie Building

The Mackenzie Building is home to the largest clinical laboratory in Atlantic Canada. Doctors and patients can drop off specimens for diagnostic laboratory testing at this location.


 CZ Water Testing Holiday Hours for December 2025 

Environmental Services Central Zone Holiday hours for water testing will be as 
follows: 
 

Monday December 22nd– Open 

Tuesday December 23rd- No sample drop off 

Wednesday December 24th- Closed 

Thursday December 25th- Closed 

Friday December 26th- Closed 

Monday December 29th- Open 

Tuesday December 30th- Open 

Wednesday December 31st– No sample drop off 

Thursday January 1st- Closed

Friday January 2nd- Regular hours 

Please note: for HPC testing and Lake testing we will not be accepting samples 
from December 17, 2025 to January 1, 2026. Sample drop off for this testing will 
start again on January 2, 2026. 

Thank you and Happy Holidays, 
 

CZ Environmental Services Laboratory Team 

Specimen Testing Dropoff Site

Water Testing Dropoff Site

mon Jan 5 Open 24 hours
tue Jan 6 Open 24 hours
wed Jan 7 Open 24 hours
thu Jan 8 Open 24 hours
fri Jan 9 12:00 am - 3:00 pm
sat Jan 10 Closed
sun Jan 11 Closed

Laboratory operating hours 8am-4pm Monday to Friday except on holidays.

phone: (902) 473-8466
email: Envirolabservices@nshealth.ca 

Samples must be collected using the water testing bottles provided by Nova Scotia Health. E.Coli & Coliform testing is a white top 100 ML bottle / Chemical & Mineral testing is a black top 200 ML bottle

Notes: 

  • Samples not accepted after 3:00 p.m. on Fridays
  • To ensure stability samples should be collected same day as drop off.
  • Closed on holidays

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